Ajax PHP Frameworks

These libraries are comprised of a JavaScript part for the browser side, and PHP scripts working on the server.
Here is a list of the main open source solutions.

AjaxAC

A small library with a single PHP class and JavaScript code.
Support for MySQL.
AjaxAC

Ajason

This framework makes use of the JSON format for storing data. It is compatible with PHP 5.
Ajason.

Xajax

Object oriented library. Calls PHP functions from JavaScript.
Xajax.

Tigermouse

Aimed at prototyping, la modelling, Web application creation and reusability of components. This framework looks as Java and is built in the Model-View-Controller architecture.
Tigermouse.

PHP Frameworks

Such pure PHP framework may complete a JavaScript Ajax framework.

Code Igniter

Set of class for helping in building a Web application as blog, news, etc.
Code Igniter